A large number of studies have described a positive relationship between physical exercise and cognition. Physical exercise can be divided into closed-skill exercise (CSE) and open-skill exercise (OSE) based on the predictability of the performance environment. It remains unknown whether either of these types of exercise is more beneficial for cognitive function. Therefore, the purpose of this meta-analysis was to evaluate the effect of OSE versus CSE on cognition. Eligible studies included cross-sectional studies and intervention studies that had a clear definition of OSE and CSE, and these were used to compare the cognitive performance differences between the two classes of exercise. A total of 15 cross-sectional studies and 4 intervention studies were included in this meta-analysis. Among the cross-sectional studies, the overall effect size for OSE versus CSE was 0.304 (95% confidence interval (CI) (−0.097, 1.213); p < 0.05). Further subgroup analysis showed that the overall effect size for OSE versus CSE was 0.247 for inhibition and 0.360 for cognitive flexibility (both p < 0.05). In contrast, no significant differences between the two exercise modes were observed in the intervention studies. In particular, there were no significant differences in visuospatial attention or in processing speed between the two exercise modes. Taken together, these results suggest that OSE is superior to CSE, especially for executive function, according to the 15 cross-sectional studies examined. However, data from the intervention studies indicate that OSE is not superior. Therefore, additional well-designed, long-term intervention studies are needed to elucidate the potential efficacy of OSE in all populations.
IntroductionCultural intelligence can affect the cross-cultural adaptation of international students in China, but the mechanism of its influence is still unclear. This study examines the mediating effect of the psychological resilience of international students in China in the process of cultural intelligence affecting cross-cultural adaptation. We used the cultural intelligence scale, psychological resilience scale, and cross-cultural adaptation scale to measure 624 foreign students in China.Results(1) There is a significant positive correlation between the cultural intelligence, psychological resilience, and cross-cultural adaptation of international students in China. (2) Resilience plays a mediating effect in the influence of the cultural intelligence of international students in China on cross-cultural adaptation.ConclusionThe cultural intelligence of international students in China can directly affect their cross-cultural adaptation and can also affect their cross-cultural adaptation through the mediating effect of psychological resilience.
Effort–reward imbalance can predict aggressive behavior, but the mechanism of its influence is not yet clear to researchers. Thus, in this study we explored the mediating roles of perceived justice and hostile attribution in the relationship between effort–reward imbalance and aggressive behavior in an educational setting. Using the Effort–Reward Imbalance Scale for University Students, the Chinese version of the Perceived Justice Scale for College Students, the hostile attribution subscale of the Social Information Processing Attribution Bias Questionnaire, and the Chinese version of the Buss and Perry Aggression Questionnaire, we conducted a survey with 1,660 Chinese undergraduates. The results show that perceived justice played a mediating role in the relationship between effort–reward imbalance and aggressive behavior, as did hostile attribution. In addition, perceived justice and hostile attribution had a chain mediating effect in the link between effort–reward imbalance and aggressive behavior. Thus, effort–reward imbalance affects aggressive behavior not only directly but also indirectly through perceived justice and hostile attribution. Our findings enrich the literature on aggressive behavior by helping to understand how individuals become aggressive after the frustrating experience of receiving insufficient reward for their efforts.
Objective To explore the impact of sports on aggression in children and adolescents and analyze whether different conditions in the intervention, such as type of sports, or intervention duration, have different influences on the effect of interventions. Method The study protocol was registered in PROSPERO (CRD42022361024). We performed a systematic search of Pubmed, Web of Science, Cochrane library, Embase and Scopus databases from database inception to 12 October 2022 for all studies written in English. Studies were included if they met the following PICO criteria. All analyses were carried out using the Review Manager 5.3 Software. We summarized aggression, hostility and anger scores using SMDs. Summary estimates with 95% confidence intervals were pooled using DerSimonian-Laird random effects model or fixed effects model according to between-study heterogeneity. Results A total of 15 studies were deemed eligible for inclusion in this review. The overall mean effect size indicated that sport interventions was associated with lower aggression (SMD = −0.37, 95% CI [−0.69 to −0.06], P = 0.020; I2 = 88%). Subgroup analyses showed that non-contact sports were associated with lower aggression (SMD = −0.65, 95% CI [−1.17 to −0.13], P = 0.020; I2 = 92%) but high-contact sports were not (SMD = −0.15, 95% CI [−0.55 to 0.25], P = 0.470; I2 = 79%). In addition, when intervention duration <6 months, sport interventions was associated with lower aggression (SMD = −0.99, 95% CI [−1.73 to −0.26], P = 0.008; I2 = 90%) and when intervention duration ≥ 6 months, sport interventions was not associated with lower aggression (SMD = −0.08, 95% CI [−0.44 to −0.28], P = 0.660; I2 = 87%). Conclusion This review confirmed that sports intervention can reduce the aggression of children and adolescents. We suggested that schools can organize young people to participate in low-level, non-contact sports to reduce the occurrence of bullying, violence and other aggression-related adverse events. Additional studies are needed to determine which other variables are associated with aggression in children and adolescents, in order to develop a more detailed and comprehensive intervention programme to reduce their aggression.
We tested the validity and reliability of the Attitudes Towards School Violence Questionnaire with Chinese high school students. We translated the questionnaire into Chinese and performed exploratory factor analysis, confirmatory factor analysis, and test–retest and internal consistency reliability tests. As for the original questionnaire, the Chinese version of the Attitudes Towards School Violence Questionnaire comprises 28 items designed to measure four attitudes toward violence: that violence is a form of fun, a way to increase selfesteem, a way to solve problems, and perceived as legitimate. There were significant positive correlations among the students' attitudes toward school violence, and both their impulsive tendency and aggressive behavior. The results show that as the Chinese version of the Attitudes Towards School Violence Questionnaire had adequate psychometric properties, it can be used to assess the attitudes of Chinese high school students toward school violence.
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